7224 CD/P4ADGA
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7224 CD/P4ADGA Bearing Product Overview & Core Advantages
The 7224 CD/P4ADGA is a precision angular contact ball bearing manufactured to P4A tolerance class standards, delivering exceptional rotational accuracy and performance consistency. Engineered with a 15° contact angle and Extra Light (Class A) preload, this bearing is optimized for applications requiring high rigidity, precise shaft positioning, and smooth operation at moderate to high speeds. Its Universal Matchable (SU) design allows for flexible mounting in pairs to handle combined radial and axial loads efficiently. The phenolic cage contributes to its suitability for high-speed operation, making it an ideal solution for demanding precision machinery.
7224 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7224 | Basic bearing designation indicating metric series with 120mm bore, 215mm OD |
| CD | Contact angle designation (15°) with optimized internal design |
| P4A | High precision tolerance class with enhanced running accuracy |
| DGA | Universal Matchable (SU) designation for paired mounting arrangements |
7224 CD/P4ADGA Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with tight dimensional control (bore/OD tolerance: -0.004mm to 0), ensuring minimal runout and vibration for precision applications.
Optimized Load Capacity: With radial dynamic load rating of 73,125 lbf and radial static load rating of 87,750 lbf, this bearing effectively handles combined loads while maintaining stability.
High-Speed Capability: The phenolic cage and optimized internal geometry enable reliable operation up to 10,000 rpm limiting speed, reducing friction and heat generation.
Universal Matching Design: As a Universal Matchable (SU) bearing, it can be paired without selective matching, simplifying installation and ensuring optimal preload in paired arrangements.
Premium Material Selection: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability across the operating temperature range of -30°C to 110°C.
7224 CD/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- Precision Gearboxes - Industrial transmission systems requiring high accuracy
- Robotic Systems - Joint and articulation points in industrial robots
- Medical Equipment - CT scanners, dental drills, and laboratory instruments
- Aerospace Systems - Actuators, control mechanisms, and auxiliary power units
- High-Speed Motors - Precision electric motors and servo drives
